Examples with LocalXAConnectionFactory org.apache.commons.dbcp2.managed.LocalXAConnectionFactory used on opensource projects

Example 1 with LocalXAConnectionFactory

use of org.apache.commons.dbcp2.managed.LocalXAConnectionFactory in project ofbiz-framework by apache.

the class DBCPConnectionFactory method getConnection.

public Connection getConnection(GenericHelperInfo helperInfo, JdbcElement abstractJdbc) throws SQLException, GenericEntityException {
    String cacheKey = helperInfo.getHelperFullName();
    DebugManagedDataSource mds = dsCache.get(cacheKey);
    if (mds != null) {
        return TransactionUtil.getCursorConnection(helperInfo, mds.getConnection());
    }
    if (!(abstractJdbc instanceof InlineJdbc)) {
        throw new GenericEntityConfException("DBCP requires an <inline-jdbc> child element in the <datasource> element");
    }
    InlineJdbc jdbcElement = (InlineJdbc) abstractJdbc;
    // connection properties
    TransactionManager txMgr = TransactionFactoryLoader.getInstance().getTransactionManager();
    String driverName = jdbcElement.getJdbcDriver();
    String jdbcUri = helperInfo.getOverrideJdbcUri(jdbcElement.getJdbcUri());
    String jdbcUsername = helperInfo.getOverrideUsername(jdbcElement.getJdbcUsername());
    String jdbcPassword = helperInfo.getOverridePassword(EntityConfig.getJdbcPassword(jdbcElement));
    // pool settings
    int maxSize = jdbcElement.getPoolMaxsize();
    int minSize = jdbcElement.getPoolMinsize();
    int maxIdle = jdbcElement.getIdleMaxsize();
    // maxIdle must be greater than pool-minsize
    maxIdle = maxIdle > minSize ? maxIdle : minSize;
    // load the driver
    Driver jdbcDriver;
    synchronized (DBCPConnectionFactory.class) {
        // Sync needed for MS SQL JDBC driver. See OFBIZ-5216.
        try {
            jdbcDriver = (Driver) Class.forName(driverName, true, Thread.currentThread().getContextClassLoader()).newInstance();
        } catch (Exception e) {
            Debug.logError(e, module);
            throw new GenericEntityException(e.getMessage(), e);
        }
    }
    // connection factory properties
    Properties cfProps = new Properties();
    cfProps.put("user", jdbcUsername);
    cfProps.put("password", jdbcPassword);
    // create the connection factory
    org.apache.commons.dbcp2.ConnectionFactory cf = new DriverConnectionFactory(jdbcDriver, jdbcUri, cfProps);
    // wrap it with a LocalXAConnectionFactory
    XAConnectionFactory xacf = new LocalXAConnectionFactory(txMgr, cf);
    // create the pool object factory
    PoolableConnectionFactory factory = new PoolableManagedConnectionFactory(xacf, null);
    factory.setValidationQuery(jdbcElement.getPoolJdbcTestStmt());
    factory.setDefaultReadOnly(false);
    factory.setRollbackOnReturn(false);
    factory.setEnableAutoCommitOnReturn(false);
    String transIso = jdbcElement.getIsolationLevel();
    if (!transIso.isEmpty()) {
        if ("Serializable".equals(transIso)) {
            factory.setDefaultTransactionIsolation(Connection.TRANSACTION_SERIALIZABLE);
        } else if ("RepeatableRead".equals(transIso)) {
            factory.setDefaultTransactionIsolation(Connection.TRANSACTION_REPEATABLE_READ);
        } else if ("ReadUncommitted".equals(transIso)) {
            factory.setDefaultTransactionIsolation(Connection.TRANSACTION_READ_UNCOMMITTED);
        } else if ("ReadCommitted".equals(transIso)) {
            factory.setDefaultTransactionIsolation(Connection.TRANSACTION_READ_COMMITTED);
        } else if ("None".equals(transIso)) {
            factory.setDefaultTransactionIsolation(Connection.TRANSACTION_NONE);
        }
    }
    // configure the pool settings
    GenericObjectPoolConfig poolConfig = new GenericObjectPoolConfig();
    poolConfig.setMaxTotal(maxSize);
    // settings for idle connections
    poolConfig.setMaxIdle(maxIdle);
    poolConfig.setMinIdle(minSize);
    poolConfig.setTimeBetweenEvictionRunsMillis(jdbcElement.getTimeBetweenEvictionRunsMillis());
    // disabled in favour of setSoftMinEvictableIdleTimeMillis(...)
    poolConfig.setMinEvictableIdleTimeMillis(-1);
    poolConfig.setSoftMinEvictableIdleTimeMillis(jdbcElement.getSoftMinEvictableIdleTimeMillis());
    // test all the idle connections
    poolConfig.setNumTestsPerEvictionRun(maxSize);
    // settings for when the pool is exhausted
    // the thread requesting the connection waits if no connection is available
    poolConfig.setBlockWhenExhausted(true);
    // throw an exception if, after getPoolSleeptime() ms, no connection is available for the requesting thread
    poolConfig.setMaxWaitMillis(jdbcElement.getPoolSleeptime());
    // settings for the execution of the validation query
    poolConfig.setTestOnCreate(jdbcElement.getTestOnCreate());
    poolConfig.setTestOnBorrow(jdbcElement.getTestOnBorrow());
    poolConfig.setTestOnReturn(jdbcElement.getTestOnReturn());
    poolConfig.setTestWhileIdle(jdbcElement.getTestWhileIdle());
    GenericObjectPool<PoolableConnection> pool = new GenericObjectPool<PoolableConnection>(factory, poolConfig);
    factory.setPool(pool);
    mds = new DebugManagedDataSource(pool, xacf.getTransactionRegistry());
    mds.setAccessToUnderlyingConnectionAllowed(true);
    // cache the pool
    dsCache.putIfAbsent(cacheKey, mds);
    mds = dsCache.get(cacheKey);
    return TransactionUtil.getCursorConnection(helperInfo, mds.getConnection());
}

Example 2 with LocalXAConnectionFactory

use of org.apache.commons.dbcp2.managed.LocalXAConnectionFactory in project tomee by apache.

the class DbcpManagedDataSource method createConnectionFactory.

@Override
protected ConnectionFactory createConnectionFactory() throws SQLException {
    if (ds instanceof XADataSource) {
        // Create the XAConectionFactory using the XA data source
        final XADataSource xaDataSourceInstance = (XADataSource) ds;
        final XAConnectionFactory xaConnectionFactory = new DataSourceXAConnectionFactory(getTransactionManager(), xaDataSourceInstance, getUsername(), getPassword());
        setTransactionRegistry(xaConnectionFactory.getTransactionRegistry());
        return xaConnectionFactory;
    }
    // If xa data source is not specified a DriverConnectionFactory is created and wrapped with a LocalXAConnectionFactory
    final ConnectionFactory connectionFactory = new DataSourceConnectionFactory(DataSource.class.cast(ds), getUsername(), getPassword());
    final XAConnectionFactory xaConnectionFactory = new LocalXAConnectionFactory(getTransactionManager(), connectionFactory);
    setTransactionRegistry(xaConnectionFactory.getTransactionRegistry());
    return xaConnectionFactory;
}